Search a number
-
+
55125105050 = 2523319332179
BaseRepresentation
bin110011010101101101…
…100101100110011010
312021021202121111001102
4303111231211212122
51400344011330200
641154002151402
73661023442661
oct632555454632
9167252544042
1055125105050
1121418759364
12a825352562
1352767c2072
14294d279dd8
1516797ae6d5
hexcd5b6599a

55125105050 has 24 divisors (see below), whose sum is σ = 102563896800. Its totient is φ = 22043332080.

The previous prime is 55125105001. The next prime is 55125105059. The reversal of 55125105050 is 5050152155.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55125105059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140 + ... + 332039.

It is an arithmetic number, because the mean of its divisors is an integer number (4273495700).

Almost surely, 255125105050 is an apocalyptic number.

55125105050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55125105050 is a deficient number, since it is larger than the sum of its proper divisors (47438791750).

55125105050 is a wasteful number, since it uses less digits than its factorization.

55125105050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335510 (or 335505 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The spelling of 55125105050 in words is "fifty-five billion, one hundred twenty-five million, one hundred five thousand, fifty".

Divisors: 1 2 5 10 25 50 3319 6638 16595 33190 82975 165950 332179 664358 1660895 3321790 8304475 16608950 1102502101 2205004202 5512510505 11025021010 27562552525 55125105050